Home / 113,969.35-170,954.03-82,476.55

Finding the Fourth Proportional to 113,969.35, 170,954.03 and 82,476.55

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Solution

The fourth proportional to 113,969.35, 170,954.03 and 82,476.55 is: 123,714.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,969.35 : 170,954.03 = 82,476.55 : x
  2. Step 2: Convert to fraction form
    113,969.35/170,954.03 = 82,476.55/x
  3. Step 3: Cross multiply
    113,969.35x = 170,954.03 × 82,476.55
  4. Step 4: Simplify right side
    113,969.35x = 14,099,698,190.61
  5. Step 5: Solve for x
    x = 14,099,698,190.61/113,969.35
  6. Step 6: Final answer
    x = 123,714.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.